TY  - BOOK
AU  - Keller,Edward A.
TI  - Introduction to environmental geology
SN  - 0023632909 (pbk.)
AV  - QE38 .K46 1999
U1  - 550 
PY  - 1999///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Environmental geology
N1  - Includes bibliographical references and index
ER  -